This report describes the inspection of a 34LR whipline rope on
the DSV PELICAN which failed in service on 17th March 2001 whilst
deploying a subsea module. The whipline was rated at 10 tonnes. The
weight of the module (weight in air 3.5 tonnes) was such that even
allowing for dynamic loading and the effect of added mass, the
integrity of the rope must have been severely impaired for failure to occur.
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